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Oldest Private Schools in California

The average private school in California was founded around 1975 (2026-27).

The oldest private school in California is La Purisima Concepcion School, founded in 1787.

Quick Facts (26-27)

# CA Schools Ranked: 2,735
Top 20 Range (Year Founded): 1787–1865
CA School Avg.: 1974
National School Avg.: 1967

Quick Facts (26-27)

# CA Schools Ranked: 2,735
Top 20 Range (Year Founded): 1787–1865
CA School Avg.: 1974
National School Avg.: 1967

Frequently Asked Questions

What is the California average private schools founding year?

The California average private schools founding year is 1975 for 2026-27.

What are the private schools with oldest founding year in California?

The top ranked private schools in California include La Purisima Concepcion School, San Domenico School and Bellarmine College Preparatory.

What is private high school and private elementary school with the oldest founding year in California?

The private high school with the oldest founding year in California is San Domenico School, with a year of 1850. The private elementary school with the oldest founding year is La Purisima Concepcion School, with a year of 1787.

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